Product introduction
Buzzer is a kind of pronunciation device that can convert audio signal into sound signal. It is widely used in home electrical appliances, alarm systems of silver signal and public security, electronic toys and game consoles. Buzzer is mainly used to prompt or alarm, according to the design and use of different, can emit music, whistle, buzzer, siren, bell and other different sounds.
The buzzer used in the washing machine usually beeps to inform the user of the operation process. The buzzer used in the gas appliance is to issue an alarm sound, and to warn the user that the fuel appliance is burning. As a doorbell application, the buzzer is mostly issued a "ding dong" sound or music, indicating that there are guests visiting. Buzzers installed in public security, bank and home security areas make multiple alarm sounds. In factories, schools, the application of buzzers, more than the electric bell g according to the different types of buzzers, its working power is different, and some are directly connected, such as cars. Electric horn for use on; Some are connected to AC, and some need to be connected to specific electronic circuits.
Motherboard buzzer
After the computer is turned on, we will hear the familiar sound "toot" sound, which generally means that the computer can be used normally, and this sound is emitted from this "baby". The red line is positive and the black line is negative (in fact, it is not positive or negative, as long as it is connected to the Speaker interface, it can be used)
Characteristic parameter
5V passive buzzer
Product size :12 x8.5mm
Rated voltage :AC 5V
Resistance value :42Q
Sensitivity /SPL:Min85 dB
Resonant frequency :2048Hz
Spacing :6.5mm
5V active buzzer
Product model :BST-12095-DC-FT
Product introduction: Electromagnetic active buzzer 12095 split plug
The needle buzzer
Product size :12x9.5mm
Rated voltage :DC 5V
Sensitivity /SPL:Min 85 dB
Resonant frequency :2300-2500 300Hz
Material: paper
No-delivery refund
